Cleanly designed with appropriate visuals that exemplify the points being made by the narrator. Content focuses on basic information about what Wikipedia is, it's role in providing information, and basic technical aspects. It will be an excellent resource for not only library websites but also to be included in courses that require research components as part of the overall grade. Because the focus is general in nature it is not outdated.
The video is embedded in the source instituion's webpage. Accessed using Firefox 15.0.1 on a Mac running OS 10.8.2 I had no problem streaming the material. It did not require buffering (I'm on a high speed internet connection) nor did it stall out at any point.